fig1
Figure 1. (A) XRD patterns of MnO2-Au under ultrasound for 30 min (red line) and ultrasound for 20 min (black line). (B) XRD patterns of MnO2-Au under different concentration ratios of NaBH4 and HAuCl4. SEM images of MnO2-Au (C and D).
Figure 1. (A) XRD patterns of MnO2-Au under ultrasound for 30 min (red line) and ultrasound for 20 min (black line). (B) XRD patterns of MnO2-Au under different concentration ratios of NaBH4 and HAuCl4. SEM images of MnO2-Au (C and D).
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